1. What is a computer virus?
Ans:A computer virus is a program that can copy itself and infect a computer without the permission of the owner.
2. Name 4 anti-virus program?
Ans: kaspersky, Avira, AVG, Supera
3. What is a spy ware?
Ans: Spyware is computer software that is installed on a personal computer to take control over the user's interaction with the computer, without the user informed consent.

4. What is a SPAM?
Ans: Spam is spreading the Internet with many copies the same message, in an attempt to force the message on people who would not otherwise choose to receive it.
5. What is a botnet?
Ans: Botnet is a jargon term for a collection of software robots or bots, that runs automatically.
6. How can you stop your computer from affecting the viruses?
Ans: You can stop your computer from affecting by using the anti-viruses program e.g ESET NOD 32, Ad-Aware
7. Name 4 viruses program?

Ans: Boot virus, Resident virus, Overwrite virus, Macro virus
8. What is a worm?
Ans: A worm is a self-replicating computer program. It uses a network to send copies of it-self to other nodes and it may do so without any intervention. Unlike a virus, it does not need to attach itself to an existing program.